of nuclear weapons. Five are considered to be nuclear-weapon states (NWS) under the terms of the Treaty on the Non-Proliferation of Nuclear Weapons (NPT)...

This is a list of nuclear weapons listed according to country of origin, and then by type within the states. American nuclear weapons of all types – bombs...

estimates of the nuclear weapon stockpiles of various countries at various points in time. This article also shows the number of nuclear weapons tests conducted...

biological weapons. France is the only member of the European Union to possess independent (non-NATO) nuclear weapons. France was the fourth country to test...

Nuclear weapons testing is the act of experimentally and deliberately firing one or more nuclear devices in a controlled manner pursuant to a military...

military nuclear weapons program and, as of 2024, is estimated to have an arsenal of approximately 50 nuclear weapons and sufficient production of fissile...

the development of nuclear weapons. The availability of intelligence on recent advancements in nuclear weapons of several major countries (such as United...

Nuclear proliferation is the spread of nuclear weapons, fissionable material, and weapons-applicable nuclear technology and information to nations not...

stockpiling and use of tactical weapons. As the Cold War came to an end in 1991, the US and USSR withdrew most of their tactical nuclear weapons from deployment...

States was the first country to manufacture nuclear weapons and is the only country to have used them in combat, with the bombings of Hiroshima and Nagasaki...